OA 2: Factors and Multiples

Which of the following is a factor of 18?

• 5

• 3

• 7

• 9

Which lists all the factors of 10?

• 1, 2, 5, 10

• 1, 10

• 2, 5, 10

• 1, 3, 5, 10

Is 5 a factor of 25?

• yes

• no

A prime number is...

• a number that has only one factor.

• a number that has at least two factors.

• a number that has more than two factors.

• a number that has only two factors. (1 and itself)

24 is a ___________ of 6

• Factor

• Multiple

What are all the factors of 12?

• 1, 2, 3, 4, 6, 12

• 1, 2, 4, 12

• 1, 3, 6, 12

• 1, 2, 3, 6, 12

6, 12, 18, 24, and 30 are all multiples of ___.

• 2

• 3

• 4

• 5

Which number is a composite number?

• 11

• 13

• 14

Find ALL FACTORS of 30

• 1, 2, 3, 5, 6, 10, 15, 30

• 1, 2, 3, 5, 10, 30

• 1, 2, 5, 10, 15, 30

• 1, 3, 5, 15, 30

Which number is a multiple of 4?

• 16

• 18

• 19